<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <style>
        div{
            width: 1300px;
            height: 1000px;
            background-color: red;
            background-image: url(./pic/renwu.jpg);
            background-repeat: no-repeat;
            /* background-position:100px 50px; */
            background-position: center center;
            background-attachment: scroll;
            }
    </style>
</head>
<body>
    <div></div>
</body>
</html>